X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fserial%2Fserial_mxc.c;h=56bee55208e0acd0fced0ee0149a404786abc67a;hb=85b8c5c4bf80025de4632ae6c9a8a606e51508a4;hp=af00b9c0ec426856eaf716466d087f9cf270cc72;hpb=1086c5d6f8541460f0f10e4a302d8aac27e0e6e0;p=u-boot

diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c
index af00b9c0ec..56bee55208 100644
--- a/drivers/serial/serial_mxc.c
+++ b/drivers/serial/serial_mxc.c
@@ -1,26 +1,15 @@
 /*
  * (c) 2007 Sascha Hauer <s.hauer@pengutronix.de>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
+ * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
 #include <watchdog.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/clock.h>
+#include <serial.h>
+#include <linux/compiler.h>
 
 #define __REG(x)     (*((volatile u32 *)(x)))
 
@@ -30,10 +19,6 @@
 
 #define UART_PHYS	CONFIG_MXC_UART_BASE
 
-#ifdef CONFIG_SERIAL_MULTI
-#warning "MXC driver does not support MULTI serials."
-#endif
-
 /* Register definitions */
 #define URXD  0x0  /* Receiver Register */
 #define UTXD  0x40 /* Transmitter Register */
@@ -145,7 +130,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-void serial_setbrg (void)
+static void mxc_serial_setbrg(void)
 {
 	u32 clk = imx_get_uartclk();
 
@@ -158,14 +143,14 @@ void serial_setbrg (void)
 
 }
 
-int serial_getc (void)
+static int mxc_serial_getc(void)
 {
 	while (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
 		WATCHDOG_RESET();
 	return (__REG(UART_PHYS + URXD) & URXD_RX_DATA); /* mask out status from upper word */
 }
 
-void serial_putc (const char c)
+static void mxc_serial_putc(const char c)
 {
 	__REG(UART_PHYS + UTXD) = c;
 
@@ -181,7 +166,7 @@ void serial_putc (const char c)
 /*
  * Test whether a character is in the RX buffer
  */
-int serial_tstc (void)
+static int mxc_serial_tstc(void)
 {
 	/* If receive fifo is empty, return false */
 	if (__REG(UART_PHYS + UTS) & UTS_RXEMPTY)
@@ -189,20 +174,12 @@ int serial_tstc (void)
 	return 1;
 }
 
-void
-serial_puts (const char *s)
-{
-	while (*s) {
-		serial_putc (*s++);
-	}
-}
-
 /*
  * Initialise the serial port with the given baudrate. The settings
  * are always 8 data bits, no parity, 1 stop bit, no start bits.
  *
  */
-int serial_init (void)
+static int mxc_serial_init(void)
 {
 	__REG(UART_PHYS + UCR1) = 0x0;
 	__REG(UART_PHYS + UCR2) = 0x0;
@@ -224,3 +201,24 @@ int serial_init (void)
 
 	return 0;
 }
+
+static struct serial_device mxc_serial_drv = {
+	.name	= "mxc_serial",
+	.start	= mxc_serial_init,
+	.stop	= NULL,
+	.setbrg	= mxc_serial_setbrg,
+	.putc	= mxc_serial_putc,
+	.puts	= default_serial_puts,
+	.getc	= mxc_serial_getc,
+	.tstc	= mxc_serial_tstc,
+};
+
+void mxc_serial_initialize(void)
+{
+	serial_register(&mxc_serial_drv);
+}
+
+__weak struct serial_device *default_serial_console(void)
+{
+	return &mxc_serial_drv;
+}